/Python/Add column to df from another df

Add column to df from another df

How to add a column to a pandas df

#using the insert function:
df.insert(location, column_name, list_of_values) 
#example
df.insert(0, 'new_column', ['a','b','c'])
#explanation:
#put "new_column" as first column of the dataframe
#and puts 'a','b' and 'c' as values

#using array-like access:
df['new_column_name'] = value

#df stands for dataframe

Add column to df from another df

# pre 0.24
feature_file_df['RESULT'] = RESULT_df['RESULT'].values
# >= 0.24
feature_file_df['RESULT'] = RESULT_df['RESULT'].to_numpy()

Source: stackoverflow.com

Similar codes

0 vote238 views3 answers
Discord.py delete own message
Python
0 vote232 views2 answers
Geckodriver' executable needs to be in path
Python
0 vote225 views1 answer
Import messages
Python
0 vote240 views1 answer
Rails in groups of
Python
0 vote223 views1 answer
Run file as administrator python
Python
0 vote247 views1 answer
Python conditions symbols
Python
31 votes203 views3 answers
Python get names of columns
Python
4 votes240 views3 answers
Python first day of last month
Python
0 vote244 views1 answer
How can space be bent
Python
0 vote252 views1 answer
Append data at the end of an excel sheet pandas
Python